Home / 10,345.95-15,401.90-10,284.44

Finding the Fourth Proportional to 10,345.95, 15,401.90 and 10,284.44

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Solution

The fourth proportional to 10,345.95, 15,401.90 and 10,284.44 is: 15,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.95 : 15,401.90 = 10,284.44 : x
  2. Step 2: Convert to fraction form
    10,345.95/15,401.90 = 10,284.44/x
  3. Step 3: Cross multiply
    10,345.95x = 15,401.90 × 10,284.44
  4. Step 4: Simplify right side
    10,345.95x = 158,399,916.44
  5. Step 5: Solve for x
    x = 158,399,916.44/10,345.95
  6. Step 6: Final answer
    x = 15,310.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.